- Hagia Sophia, Turkish Ayasofya, Latin Sancta Sophia, also called Church of the Holy Wisdom or Church of the Divine Wisdom, cathedral built at Constantinople (now Istanbul, Turkey) in the 6th century CE (532–537) under the direction of the Byzantine emperor Justinian I.
- Hagia Sophia was a Greek Orthodox Christian patriarchal basilica, later an imperial mosque, and now a museum in Istanbul, Turkey.
Chichén Itzá is a world-famous complex of Mayan ruins on Mexico‘s Yucatán Peninsula. A massive step pyramid known as El Castillo dominates the 6.5-sq.-km. ancient city, which thrived from around 600 A.D. to the 1200s. Graphic stone carvings survive at structures like the ball court, Temple of the Warriors and the Wall of the Skulls. Nightly sound-and-light shows illuminate the buildings’ sophisticated geometry.
National Geographic Documentary – Mystery of Aztec & Maya Civilization
Mayan History Timeline